Portable data storage device



FIG. 1 is a front view of the portable data storage device showing our new design;

FIG. 2 is a back view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a front, right side, perspective view thereof;

FIG. 8 is a back, left side, perspective view thereof; and,

FIG. 9 is a bottom, right side, perspective view thereof. 

CLAIM The ornamental design for portable data storage device, as shown and described. 